Materials Literature
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Impulse corona characteristics are very important for the analysis of overvoltage along overhead transmission lines. For DC line, the space charge due to normal corona may affect the impulse corona characteristics. The paper develops a circuit for combined application of DC and impulse voltage to measure the effect of…
Infrared-active lattice mode properties of melt-grown high-quality single bulk crystals of ZnGa2O4 are investigated by combined spectroscopic ellipsometry and density functional theory computation analysis. The normal spinel structure crystals are measured by spectroscopic ellipsometry at room temperature in the range…
The evaluation of toxic effects of nanoparticles (NPs) has become an important aspect of Nanotechnology research in the 21st century. The present investigation deals with the green synthesis of biogenic zinc oxide nanoparticles (ZnO-NPs) using Bryophyllum pinnatum leaves, their characterization and evaluation of acute…
Abstract In this study, Paraloid B‐72 (poly methyl methacrlylate/ethylacrylate 70:30) and its nanocomposites with titanium dioxide (TiO2) concentration 1–5% have been prepared by emulsion polymerization technique and characterized by transmission electron microscope (TEM), Fourier‐transform infrared spectroscopy (FT‐I…
It was recently discovered that a conductive, metallic state is formed on the surface of some insulating oxides. First observed on ${\mathrm{SrTiO}}_{3}$ (001), it was then found in other compounds as diverse as anatase ${\mathrm{TiO}}_{2}$, ${\mathrm{KTaO}}_{3}$, ${\mathrm{BaTiO}}_{3}$, ZnO, and also on different sur…
We study the Brownian motion of ellipsoidal particles lying on an agitated granular bath composed of magnetic particles. We quantify the mobility of different floating ellipsoidal particles using the mean-square displacement and the mean-square angular displacement, and relate the diffusion coefficients to the bath pa…
The EU's End of Life Vehicles (ELV) regulations are forcing car manufacturers to consider the environmental impact of their production and possibly shift from the use of synthetic materials to the use of agro-based materials. However, poor mechanical properties and certain manufacturing limitations currently limit the…
Purpose The purpose of this paper is to evaluate the efficiency of commercial silica, silica fume-waste (SF) and modified silica fume-waste (mSF) as reinforcing filler in acrylonitrile-butadiene rubber (NBR) and ethylene propylene diene monomer (EPDM) through the mixing process of rubber. The composites were prepared…
A series of triads consisting of a triarylamine donor, a naphthalenediimide acceptor, and a palladium photosensitizer bridge was investigated for the photoinduced electron transfer processes and the spin chemistry involved. In this series, the ligand in the palladium photosensitizer was varied from bis-dipyrrinato to…
Glass compositions 42 P2O5–40ZnO–(18-x)Na2O: xNiO in which x varies from 0 to 6 mol.% with step of 1 mol.%, are prepared by using the conventional melt annealing method. The effect of nickel ions in the investigated glass system appears in the combined structural and optical properties. Some structural and optical par…
Abstract Capture and activation of CO2 play a crucial role in its catalytic transformation into fuels and chemicals. Here a two-dimensional SiN4C4 monolayer material with dispersed SiN4 sites was predicted to have high stability and unusual capability to tackle the inertia of CO2 by extensive first-principles calculat…
Abstract The design for multifunctional two-dimensional (2D) materials is considered as one of the main strategies to expand its application. Here, we propose that the already-synthesized organometallic lattice (Ni3(CNH)12) concurrently hosts topological and catalytic properties. Using first-principles calculations co…
Abstract We report inelastic neutron scattering (INS) investigations on the bilayer Fe-based superconductor CsCa2Fe4As4F2 above and below its superconducting transition temperature T c ≈ 28.9 K to investigate the presence of a neutron spin resonance. This compound crystallises in a body-centred tetragonal lattice cont…
A fully oxygenated hexagonal 12-layer perovskite $\mathrm{BaFe}{\mathrm{O}}_{3}$ with nominal $\mathrm{F}{\mathrm{e}}^{4+}$ was obtained by high-pressure synthesis. The structure consists of face-sharing $\mathrm{F}{\mathrm{e}}_{3}{\mathrm{O}}_{9}$ octahedral trimers and corner-sharing octahedra. A remarkable series o…
Block copolymers having two or more polymer chains linked covalently have been extensively studied for various nanostructure fabrications. Highly symmetric body-centered cubic (bcc) packing lattice has been the only observed supramolecular spherical phase in compositionally asymmetric AB diblock copolymers for a long…
Interfacing two-dimensional graphene oxide (GO) platelets with one-dimensional zinc oxide nanorods (ZnO) would create mixed-dimensional heterostructures suitable for modern optoelectronic devices. However, there remains a lack in understanding of interfacial chemistry and wettability in GO-coated ZnO nanorods heterost…
In this study, low driving voltage liquid crystal microlens array (LCMLA) based on polyvinyl alcohol (PVA) convex array was fabricated by facile method. The PVA convex array served as a vertical alignment layer led to formation of hybrid-aligned LC layer with concentric nonuniform distribution refractive index in plan…
The present study investigates the green synthesis of stable silver nanoparticles using Juniperus communis leaf aqueous extract at room temperature. Synthesized silver nanoparticles (AgNPs) were characterized with different techniques such as UV–vis spectroscopy, Fourier transforms infrared (FT‐IR) spectroscopy, X‐ray…
High Resolution Image Download MS PowerPoint Slide In this work, copper selenide (Cu 3 Se 2 umangite phase) was synthesized by two routes, using a chemical reaction and the hydrothermal method to obtain CuSe-A and CuSe-H, respectively. The synthesis of Cu 3 Se 2 consisted of a three-step process: in the first step, co…
Inspired by the morphology of Coscinodiscus species diatom, bi-layered photonic structures comprised of dielectric-filled nano-holes of varying diameters have been designed and analyzed to enhance and tune absorption characteristics of GaAs-based thin-film photonic devices. Finite difference time domain-based numerica…